It's a Mannequin's World

S1 E7: Robby has a long history of choosing the wrong birthday present for Miley. In order to nip it in the bud this year, Lilly and Miley work up an elaborate plan in which Lilly will go shopping with Robby and Miley will pose as a mannequin displaying Hannah Montana clothing so that Miley can point out what she wants. The plan backfires when Robby goes back and exchanges what he bought in favor of an item he feels in more unique. The item turns out to be an ugly swimsuit which Miley is forced to wear to her surprise birthday party at the beach.